/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:00:32,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:00:32,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:00:32,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:00:32,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:00:32,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:00:32,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:00:32,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:00:32,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:00:32,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:00:32,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:00:32,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:00:32,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:00:32,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:00:32,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:00:32,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:00:32,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:00:32,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:00:32,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:00:32,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:00:32,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:00:32,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:00:32,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:00:32,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:00:32,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 04:00:32,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:00:32,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:00:32,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:00:32,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:00:32,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:00:32,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:00:32,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:00:32,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:00:32,326 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:00:32,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:00:32,327 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:00:32,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:00:32,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:00:32,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:00:32,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:00:32,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:00:32,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:00:32,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:00:32,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:00:32,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:00:32,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:00:32,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:00:32,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:00:32,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:00:32,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:00:32,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:00:32,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:00:32,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:00:32,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:00:32,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:00:32,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:00:32,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:00:32,687 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:00:32,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 04:00:32,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dd700036/fc0d46a3bc9749d6ba347d98e5a66f00/FLAG5c105252a [2019-11-07 04:00:33,230 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:00:33,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 04:00:33,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dd700036/fc0d46a3bc9749d6ba347d98e5a66f00/FLAG5c105252a [2019-11-07 04:00:33,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dd700036/fc0d46a3bc9749d6ba347d98e5a66f00 [2019-11-07 04:00:33,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:00:33,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:00:33,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:00:33,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:00:33,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:00:33,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c0084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33, skipping insertion in model container [2019-11-07 04:00:33,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:00:33,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:00:33,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:00:33,894 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:00:33,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:00:33,956 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:00:33,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33 WrapperNode [2019-11-07 04:00:33,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:00:33,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:00:33,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:00:33,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:00:33,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... [2019-11-07 04:00:33,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:00:33,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:00:33,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:00:33,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:00:33,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:00:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:00:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:00:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:00:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:00:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:00:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:00:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:00:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:00:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:00:34,423 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:00:34,423 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 04:00:34,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:34 BoogieIcfgContainer [2019-11-07 04:00:34,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:00:34,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:00:34,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:00:34,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:00:34,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:00:33" (1/3) ... [2019-11-07 04:00:34,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af46127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:34, skipping insertion in model container [2019-11-07 04:00:34,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:33" (2/3) ... [2019-11-07 04:00:34,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af46127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:34, skipping insertion in model container [2019-11-07 04:00:34,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:34" (3/3) ... [2019-11-07 04:00:34,433 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-11-07 04:00:34,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:00:34,451 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:00:34,462 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:00:34,487 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:00:34,487 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:00:34,487 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:00:34,488 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:00:34,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:00:34,488 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:00:34,488 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:00:34,489 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:00:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-07 04:00:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 04:00:34,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:00:34,512 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:00:34,514 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:00:34,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:00:34,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1349018097, now seen corresponding path program 1 times [2019-11-07 04:00:34,529 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:00:34,530 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667596625] [2019-11-07 04:00:34,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:00:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:00:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:00:34,978 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667596625] [2019-11-07 04:00:34,979 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:00:34,979 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:00:34,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109648467] [2019-11-07 04:00:34,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:00:34,987 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:00:35,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:00:35,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:00:35,005 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-11-07 04:00:35,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:00:35,161 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-07 04:00:35,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:00:35,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-07 04:00:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:00:35,171 INFO L225 Difference]: With dead ends: 51 [2019-11-07 04:00:35,171 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:00:35,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:00:35,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:00:35,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:00:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:00:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:00:35,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-07 04:00:35,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:00:35,208 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:00:35,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:00:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:00:35,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:00:35,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:00:35,247 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:00:35,247 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:00:35,247 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:00:35,248 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 04:00:35,248 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:00:35,248 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:00:35,248 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-07 04:00:35,248 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-11-07 04:00:35,249 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-11-07 04:00:35,250 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-11-07 04:00:35,250 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-11-07 04:00:35,250 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-11-07 04:00:35,251 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-11-07 04:00:35,251 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-11-07 04:00:35,251 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-11-07 04:00:35,251 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-11-07 04:00:35,251 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-11-07 04:00:35,252 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-11-07 04:00:35,252 INFO L439 ceAbstractionStarter]: At program point L120(lines 23 143) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-11-07 04:00:35,253 INFO L439 ceAbstractionStarter]: At program point L54(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-11-07 04:00:35,253 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-11-07 04:00:35,253 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-11-07 04:00:35,253 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-11-07 04:00:35,253 INFO L439 ceAbstractionStarter]: At program point L42(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3))))) [2019-11-07 04:00:35,254 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-11-07 04:00:35,254 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-11-07 04:00:35,254 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-11-07 04:00:35,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:00:35 BoogieIcfgContainer [2019-11-07 04:00:35,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:00:35,281 INFO L168 Benchmark]: Toolchain (without parser) took 1664.31 ms. Allocated memory was 108.0 MB in the beginning and 178.8 MB in the end (delta: 70.8 MB). Free memory was 74.9 MB in the beginning and 108.8 MB in the end (delta: -33.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,282 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 108.0 MB. Free memory was 92.6 MB in the beginning and 92.5 MB in the end (delta: 105.2 kB). Peak memory consumption was 105.2 kB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.90 ms. Allocated memory was 108.0 MB in the beginning and 139.5 MB in the end (delta: 31.5 MB). Free memory was 74.7 MB in the beginning and 121.3 MB in the end (delta: -46.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,286 INFO L168 Benchmark]: Boogie Preprocessor took 31.82 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 119.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,287 INFO L168 Benchmark]: RCFGBuilder took 433.24 ms. Allocated memory was 139.5 MB in the beginning and 178.8 MB in the end (delta: 39.3 MB). Free memory was 119.4 MB in the beginning and 148.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,289 INFO L168 Benchmark]: TraceAbstraction took 851.13 ms. Allocated memory is still 178.8 MB. Free memory was 147.8 MB in the beginning and 108.8 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:35,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 108.0 MB. Free memory was 92.6 MB in the beginning and 92.5 MB in the end (delta: 105.2 kB). Peak memory consumption was 105.2 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 341.90 ms. Allocated memory was 108.0 MB in the beginning and 139.5 MB in the end (delta: 31.5 MB). Free memory was 74.7 MB in the beginning and 121.3 MB in the end (delta: -46.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.82 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 119.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.24 ms. Allocated memory was 139.5 MB in the beginning and 178.8 MB in the end (delta: 39.3 MB). Free memory was 119.4 MB in the beginning and 148.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 851.13 ms. Allocated memory is still 178.8 MB. Free memory was 147.8 MB in the beginning and 108.8 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 10 SDslu, 42 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 64 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 1144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...